GE TH3363SS - 100A, 600V, 3-Pole, Heavy Duty Fused Safety Switch

Engineered for demanding industrial and commercial environments, the GE TH3363SS Heavy Duty Fused Safety Switch delivers dependable electrical isolation with rugged durability. With a 100 A rating and 600 V capability, this 3-pole safety disconnect provides safe, controlled de-energization while supporting essential lockout/tagout procedures for compliance and worker safety.

Core advantages

• 100 A, 3-pole configuration — isolates all three phases for complete circuit protection in three-phase systems.
• 600 V maximum voltage — suitable for a wide range of motors, drives, and process equipment common in industrial settings.
• Heavy-duty fused design — built-in overcurrent protection helps limit fault energy and safeguard downstream components during faults.
• NEMA 4 enclosure — weatherproof and dust-resistant for reliable indoor and outdoor performance in harsh environments.
• Lockout/Tagout compatibility — supports standard safety procedures to prevent accidental energization during maintenance.
• Durable, long-term reliability — engineered for daily operation in commercial and industrial facilities where uptime matters.

Ideal applications

Perfect for equipment rooms, outdoor electrical enclosures, and production lines that demand dependable isolation and protection. Use it to safely disconnect pumps, conveyors, fans, HVAC systems, and other three-phase machinery, ensuring technicians can service equipment without risk of unexpected energization.

How it supports safety and uptime

When maintenance is required, technicians can implement lockout/tagout procedures with confidence, knowing the switch provides a clear, reliable disconnection. The fused design means faults are interrupted quickly, reducing arc exposure and protecting both personnel and equipment. The combination of a robust enclosure and three-pole isolation helps minimize downtime while maintaining rigorous safety standards.

Technical specifications

• Amperage rating: 100 A
• Voltage rating: 600 V
• Poles: 3-Pole
• Enclosure rating: NEMA 4
• Product type: Heavy Duty Fused Safety Switch
• Brand: GE
• Model: TH3363SS